The Filter,fluid, cataloged under National Stock Number 4330-01-170-3974, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Wintec Llc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-170-3974 |
| Primary Part Number | 422XT-4BB |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Wintec Llc |
| Status | ACTIVE |
| Filtering Media Design | PLEATED SINGLE FILTERING MEDIA RESPONSE |
| Filtration Rating in Microns | 10.0 ABSOLUTE |
| First Intake Nominal Thread Size | 0.438 INCHES IN |
| First Intake Thread Series Designator | UNF |
| Design Type | REUSABLE |
| Body Outside Diameter | 1.148 INCHES NOMINAL IN |
| First Intake Thread Direction | RIGHT-HAND |
| First Intake Connection Type | THREADED INTERNAL TUBE END |
| First Intake Thread Class | 3B |
| Style Designator | INLINE (HYDRAULIC) |
| Operating Pressure | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Filtering Element Quantity | 1 |
| Body Length | 1.562 INCHES NOMINAL IN |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Material | STEEL CORROSION RESISTING BODY |
| Material | STEEL CORROSION RESISTING FILTERING MEDIUM |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 422XT-4BB PRIMARY | Wintec Llc (USA) |
| Reference | Meaning |
|---|---|
| 422XT4BB | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4330-01-170-3974 is a Filter,fluid, manufactured by Wintec Llc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-170-3974 has 1 manufacturer part number on file: 422XT-4BB (Wintec Llc).
Key specifications for 422XT-4BB: Filtering Media Design: PLEATED SINGLE FILTERING MEDIA RESPONSE; Filtration Rating in Microns: 10.0 ABSOLUTE; First Intake Nominal Thread Size: 0.438 INCHES IN; First Intake Thread Series Designator: UNF. 19 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.